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Symptoms » Myotonia » Glossary
 

Glossary for Myotonia

Medical terms related to Myotonia or mentioned in this section include:

  • Andersen-Tawil syndrome: A rare disorder where a genetic mutation causes periods of muscle weakness, heart rhythm abnormalities and various physical development abnormalities. It is believed to be caused by problems with the way the body utilizes potassium.
  • Arthrogryposis due to muscular dystrophy: A rare disorder where a non-progressive muscle disease results in the presence of multiple joint contractures at birth.
  • Becker disease: A rare inherited neuromuscular disorder characterized by muscle stiffness when movement is initiated and difficulty relaxing muscles after movement had occurred. Becker disease is a recessively inherited form of myotonia congenita and usually occurs later in childhood than the dominantly inherited form and muscle stiffness is usually more severe.
  • Congenital myopathy: A very rare inherited disorder where muscles are overly-responsive to stimuli because of an abnormality in the muscle membranes. It causes prolonged muscle contraction which is muscle stiffness. The two main forms of myotonia congenital are Thomsen and Becker disease which are respectively inherited dominantly and recessively.
  • Congenital myotonic dystrophy: A form of muscular dystrophy which is usually apparent at birth or within a few years. and affects the skeletal muscles, heart conduction, smooth muscle, eyes and the central nervous system. The range of severity varies from asymptomatic to fetal death.
  • Distal myopathy, Welander type: A very slowly progressing muscle fiber degeneration that starts as mild weakness in the small muscles of hands and feet and may eventually spread to neighboring muscles.
  • Dystrophia myotonica 1: A rare genetic disorder characterized by myotonia, muscle atrophy, cataracts and hypogonadism.
  • Gamstorp-Wohlfart syndrome: A rare disorder characterized by muscle weakness, low muscle tone, increased sweating and muscle twitching (myokymia)
  • Hyperkalemic periodic paralysis: A rare inherited genetic condition characterized by temporary periods of severe muscle weakness. The condition tends to be more severe in males and can be triggered by stress, fasting, rest after exercise and eating foods high in potassium.
  • Hypothyroidism: The decreased activity of the thyroid gland
  • Movement symptoms: Changes to movement or motor abilities
  • Muscle symptoms: Symptoms affecting the muscles of the body
  • Muscle weakness: Weakness of the muscles or loss of tone
  • Muscular Dystrophy: Any of various muscle wasting diseases
  • Musculoskeletal symptoms: Symptoms affecting muscles or bones of the skeleton.
  • Myotonia in children: Myotonia in children refers to a child who experiences abnormally slow muscle relaxation after intentional contraction.
  • Myotonic Dystrophy: An inherited disorder characterized by progressive muscle weakness and wasting as well as eye defects, heart abnormalities and other anomalies. The severity of the condition is greatly variable. There are two type of myotonic dystrophy with type 1 being more severe than type 2.
  • Myotonic dystrophy type 3: A rare genetic disorder characterized by myotonia, muscle atrophy, cataracts and hypogonadism.
  • Myotonic dystrophy, type 2: An inherited disorder characterized by progressive muscle weakness and wasting as well as eye defects, heart abnormalities and other anomalies. The severity of the condition is greatly variable. There are two type of myotonic dystrophy with type 1 being more severe than type 2. Type 2 also tends to affect muscle closer to the trunk e.g. upper leg and shoulders.
  • Nerve symptoms: Symptoms affecting the nerves
  • Paramyotonia congenita: A rare inherited muscle condition where muscles are difficult to relax following contraction. The main muscles affected are in the face, neck, arms and hands. Repetition of movements makes the muscle stiffness become progressively worse. The condition is not progressive and exposure to cold can trigger symptoms.
  • Potassium aggravated myotonia: A rare genetic disorder characterized by the inability to relax muscles after movement. There is no associated weakness and the duration, frequency and severity of the episodes is variable.
  • Proximal myotonic dystrophy: A very rare genetic muscle disorder which is often associated with cataracts, abnormal heart rhythm and infertility. Muscle weakness tends to occur more in muscles closer to the trunk such as the neck, shoulders, hips and upper legs. Pregnancy can exacerbate or initiate symptoms.
  • Richieri-Costa Da Silva syndrome: A very rare syndrome characterized mainly by mental retardation, skeletal anomalies and delayed muscle relaxation.
  • Rippling muscle disease: A rare dominantly inherited disorder involving skeletal muscle contractions which produces a visible rippling affect.
  • Rippling muscle disease, 1: A rare dominantly inherited disorder involving skeletal muscle contractions which produces a visible rippling affect. Type 1 involves a defect on chromosome 1q41.
  • Rippling muscle disease, 2: A rare dominantly inherited disorder involving skeletal muscle contractions which produces a visible rippling affect. Type 2 involves a defect on chromosome 3p25.
  • Schwartz-Jampel Syndrome: A rare genetic disorder characterized by myotonia, blepharophimosis and joint limitation.
  • Sensations: Changes to sensations or the senses
  • Stiffness: Reduced mobility or movement
  • Stress: Emotional stress (sometimes refers to physical stress)
  • Sudden onset of myotonia:
  • Weakness: Symptoms causing weakness of the body
  • Welander distal myopathy, Swedish type: A very slowly progressing muscle fiber degeneration that starts as mild weakness in the small muscles of hands and feet and may eventually spread to neighbouring muscles.

Conditions listing medical symptoms: Myotonia:

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